| 摘要 |
2-Carboxychromon derivs. useful for inhibition of antigen-antibody reactions. Compounds have general formula (I): where P, Q, R, T, P1, Q1, R1 and T1 same or different H, alkyl, hydroxyalkyl, alkoxyalkyl, alkoxy, hydroxyalkoxy, alkoxyalkoxy, carboxyalkoxy, alkenyl, alkenyloxy, amino, mono- or dialkylamino, acylamino, aminoalkoxy, dialkylaminoalkoxy, acyl, hydroxy or halogen; X1 and X2 same or different satd. or unsatd. -straight- or branched hydrocarbonchains, opt. substd. with one or more halogen, carbonyloxygenatoms, hydroxy or alkoxy. Any C-atom of this chain may be replaced by a carbocyclic or heterocyclic ring or an O-atom. |
